Home / 65,916.51-98,891.63-19,169.39

Finding the Fourth Proportional to 65,916.51, 98,891.63 and 19,169.39

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Solution

The fourth proportional to 65,916.51, 98,891.63 and 19,169.39 is: 28,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916.51 : 98,891.63 = 19,169.39 : x
  2. Step 2: Convert to fraction form
    65,916.51/98,891.63 = 19,169.39/x
  3. Step 3: Cross multiply
    65,916.51x = 98,891.63 × 19,169.39
  4. Step 4: Simplify right side
    65,916.51x = 1,895,691,632.90
  5. Step 5: Solve for x
    x = 1,895,691,632.90/65,916.51
  6. Step 6: Final answer
    x = 28,758.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.